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Finding the Fourth Proportional to 369,526.80, 554,348.28 and 120,150.48

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Solution

The fourth proportional to 369,526.80, 554,348.28 and 120,150.48 is: 180,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,526.80 : 554,348.28 = 120,150.48 : x
  2. Step 2: Convert to fraction form
    369,526.80/554,348.28 = 120,150.48/x
  3. Step 3: Cross multiply
    369,526.80x = 554,348.28 × 120,150.48
  4. Step 4: Simplify right side
    369,526.80x = 66,605,211,929.17
  5. Step 5: Solve for x
    x = 66,605,211,929.17/369,526.80
  6. Step 6: Final answer
    x = 180,244.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.